Last set was Oct 22 in 56 f water .Had a layer of ice on Nov 15.Been frozen since.Ice is now 14-16'' and right now temp is -11 f and with winchill is -30 f.(Winds are up to 40 mph)Last 2 weeks have been fridgid here in Quebec and the northeast.

no idea, I'm stuck inside with a broken leg, but reports from friends are full size trucks and 12" in a spot that somehow opened the beginning of December and closed just before Christmas. So about on average for this time.